Home / 101,993,630.31-140,747,103.09-55,582,887.78

Finding the Fourth Proportional to 101,993,630.31, 140,747,103.09 and 55,582,887.78

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Solution

The fourth proportional to 101,993,630.31, 140,747,103.09 and 55,582,887.78 is: 76,702,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,993,630.31 : 140,747,103.09 = 55,582,887.78 : x
  2. Step 2: Convert to fraction form
    101,993,630.31/140,747,103.09 = 55,582,887.78/x
  3. Step 3: Cross multiply
    101,993,630.31x = 140,747,103.09 × 55,582,887.78
  4. Step 4: Simplify right side
    101,993,630.31x = 7,823,130,436,411,562
  5. Step 5: Solve for x
    x = 7,823,130,436,411,562/101,993,630.31
  6. Step 6: Final answer
    x = 76,702,147.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.